Core OS Systems Software Engineer, Process Management and Device Attestation

Are you a big-picture problem solver who loves setting ambitious goals? Do you have a passion for understanding how each line of code affects all the others? In the Core Operating Systems group, you’ll ensure the OS is inseparable from each device’s identity as a whole. That’s because this group is committed to building fully integrated operating systems that combine hardware, software, and apps into a single Apple experience. Your dedication to cross-disciplinary collaboration will help develop groundbreaking technologies, such as iOS, macOS, watchOS, and tvOS. By crafting these distinct, holistic user experiences, you’ll continue to uphold and advance the excellence people expect from Apple devices! The Core OS organization is seeking an extraordinary engineer to work on the Process Management and Device Attestation team. This team works on system services to orchestrate the lifecycle of running applications and system services, and on-device software to authenticate genuine Apple devices are in the hands of their owner. You should have a strong understanding of operating system fundamentals and experience working throughout the stack. As a member of the team, you would participate in all stages of software development, from new feature design and implementation, to maintenance and bug fixing of released code. You will develop and improve unit tests and performance tests, and may also work on diagnosing and resolving customer reported issues.

You will primarily be responsible for system services (daemons) and frameworks that support functionality throughout the system. This role involves working on services that manage the lifecycle of all categories of processes on the OS, and that manage the on-device software to authenticate genuine Apple devices are in the hands of their owner. You will work on system services that interact with many parts of the operating system including the Home Screen, media services, Apple Account, Find My, and on-device cryptographic key management. Popular Apple features such as Messages and FaceTime, and new features such as the redesigned window system on iPad OS will use libraries provided by you to optimize system performance, power, and to establish trust with the hardware.

• Works with cross-functional partners to design and implement scalable and performant software solutions to complex problems
• Provides systems software design guidance and expertise to teams across the company
• Maintains existing software, including diagnosing and resolving customer reported issues
• Develops and improves unit, integration, and performance tests

• Professional skill in a system software language such as C, C++, Objective-C, or Swift
• Strong understanding of OS architecture and systems programming fundamentals
• Excellent written and verbal communication

• Experience in system services (daemon) and/or library development
• Development experience on macOS, iOS, or other Unix-like system
• Proficiency in Python or other scripting languages
• Familiar with cryptographic concepts and techniques
• A genuine passion for crafting compelling customer experiences
• Exceptional professionalism, with the ability to deliver solid work on tight schedules
• Creative, critical thinking, and troubleshooting skills

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $139,500 and $258,100, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits.

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant.